* {
  margin: 0;
  padding: 0;
}
.main {
  width: 100%;
  background: url(../img/world_map.png) center center no-repeat;
  background-color: #f5f5f5;
  padding-bottom: 40px;
}
.main-txt {
  padding-top: 100px;
  text-align: center;
}
.main-txt .text-top {
  padding-bottom: 20px;
}
.big {
  font-size: 40px;
  font-weight: 700;
}
.small {
  font-size: 24px;
}
.small2 {
  font-weight: 400;
  font-size: 24px;
}
.text-center {
  padding-bottom: 100px;
}
.main img {
  width: 30px;
}
.main-img {
  width: 80%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: nowrap;
}
.top-img1,
.top-img2,
.top-img3 {
  display: flex;
  justify-content: space-between;
}
.pic img {
  width: 100%;
}
